28268888

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{2221}}^1$

素因数の和:2307

約数の個数: 32

約数和(自身を含む): 55727760

約数和(自身を除く): 27458872

約数列:

[1, 2, 4, 8, 37, 43, 74, 86, 148, 172, 296, 344, 1591, 2221, 3182, 4442, 6364, 8884, 12728, 17768, 82177, 95503, 164354, 191006, 328708, 382012, 657416, 764024, 3533611, 7067222, 14134444, 28268888]

約数ペア:

[(1, 28268888), (2, 14134444), (4, 7067222), (8, 3533611), (37, 764024), (43, 657416), (74, 382012), (86, 328708), (148, 191006), (172, 164354), (296, 95503), (344, 82177), (1591, 17768), (2221, 12728), (3182, 8884), (4442, 6364)]